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[92.34.216.5]) by smtp.gmail.com with ESMTPSA id u14-20020ac2518e000000b004fe0fead9e2sm14557lfi.165.2023.09.20.15.23.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 20 Sep 2023 15:23:49 -0700 (PDT) From: Linus Walleij Subject: [PATCH 0/2] gpio: ixp4xx: Handle external clock output Date: Thu, 21 Sep 2023 00:23:44 +0200 Message-Id: <20230921-ixp4xx-gpio-clocks-v1-0-574942bf944a@linaro.org> MIME-Version: 1.0 X-B4-Tracking: v=1; b=H4sIAPBwC2UC/x3MQQqAIBBA0avIrBvIKSi7SrQom2ooVBRCiO6et HyL/x9IHIUTDOqByLck8a5AVwrsMbudUdZioJqa2pBGyaHNGfcgHu3l7Zmw456oN1u7LA2UMET eJP/TcXrfD1iQ7uJkAAAA To: Linus Walleij , Imre Kaloz , Krzysztof Halasa , Bartosz Golaszewski , Andy Shevchenko , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-arm-kernel@lists.infradead.org, linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, Linus Walleij X-Mailer: b4 0.12.3 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230920_152352_713994_6EB4CE44 X-CRM114-Status: UNSURE ( 8.80 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The GPIO block on the very legacy IXP4xx GPIO can provide a generated clock output on GPIO 14 and GPIO 15. This provides a straight-forward solution with a flag for each clock output. More complicated solutions are thinkable, but I deemed them overdesigned for this legacy SoC. Signed-off-by: Linus Walleij --- Linus Walleij (2): gpio: Rewrite IXP4xx GPIO bindings in schema gpio: ixp4xx: Handle clock output on pin 14 and 15 .../devicetree/bindings/gpio/intel,ixp4xx-gpio.txt | 38 ------------ .../bindings/gpio/intel,ixp4xx-gpio.yaml | 70 ++++++++++++++++++++++ MAINTAINERS | 2 +- drivers/gpio/gpio-ixp4xx.c | 36 ++++++++++- 4 files changed, 106 insertions(+), 40 deletions(-) --- base-commit: 0bb80ecc33a8fb5a682236443c1e740d5c917d1d change-id: 20230921-ixp4xx-gpio-clocks-7e82289f4bb3 Best regards,